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<table width="100%" summary="page for Car"><tr><td>Car</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>Stated Preferences for Car Choice </h2>

<h3>Description</h3>

<p>a cross-section
</p>
<p><em>number of observations</em> :  4654
</p>
<p><em>observation</em> :  individuals
</p>
<p><em>country</em> :  United States
</p>


<h3>Usage</h3>

<pre>data(Car)</pre>


<h3>Format</h3>

<p>A dataframe containing :
</p>

<dl>
<dt>choice</dt><dd><p>choice of a vehicle among 6 propositions</p>
</dd>
<dt>college</dt><dd><p>college education ?</p>
</dd>
<dt>hsg2</dt><dd><p>size of household greater than 2 ?</p>
</dd>
<dt>coml5</dt><dd><p>commute lower than 5 miles a day ?</p>
</dd>
<dt>typez</dt><dd>
<p>body type, one of <code>regcar</code> (regular car), 
<code>sportuv</code> (sport utility vehicle), 
<code>sportcar</code>, <code>stwagon</code> (station 
wagon), <code>truck</code>, <code>van</code>, for each 
proposition z from 1 to 6
</p>
</dd>
<dt>fuelz</dt><dd>
<p>fuel for proposition z, one of <code>gasoline</code>, 
<code>methanol</code>, <code>cng</code> (compressed natural 
gas), <code>electric</code>.
</p>
</dd>
<dt>pricez</dt><dd>
<p>price of vehicle divided by the logarithm of income
</p>
</dd>
<dt>rangez</dt><dd>
<p>hundreds of miles vehicle  can travel between 
refuelings/rechargings
</p>
</dd>
<dt>accz</dt><dd>
<p>acceleration, tens of seconds required to 
reach 30 mph from stop
</p>
</dd>
<dt>speedz</dt><dd><p>highest attainable speed in hundreds of mph</p>
</dd>
<dt>pollutionz</dt><dd><p>tailpipe emissions as fraction of those for new gas vehicle</p>
</dd>
<dt>sizez</dt><dd><p>0 for a mini, 1 for a subcompact, 2 for a compact and 3 for a mid&ndash;size or large vehicle</p>
</dd>
<dt>spacez</dt><dd><p>fraction of luggage space in comparable new gas vehicle</p>
</dd>
<dt>costz</dt><dd><p>cost per mile of travel (tens of cents) : home recharging for electric vehicle, station refueling otherwise</p>
</dd>
<dt>stationz</dt><dd><p>fraction of stations that can refuel/recharge vehicle</p>
</dd>
</dl>



<h3>Source</h3>

<p>McFadden, Daniel  and  Kenneth  Train (2000) &ldquo;Mixed MNL models for discrete response&rdquo;, <em>Journal of Applied Econometrics</em>, <b>15(5)</b>, 447&ndash;470.
</p>


<h3>References</h3>

<p>Journal of Applied Econometrics data archive : <a href="http://qed.econ.queensu.ca/jae/">http://qed.econ.queensu.ca/jae/</a>.
</p>


<h3>See Also</h3>

<p><code>Index.Source</code>, <code>Index.Economics</code>, <code>Index.Econometrics</code>, <code>Index.Observations</code></p>


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